Three Gorges Project

Three Gorges Project
Name	Three Gorges Dam
Location	Yichang, Hubei, Yangtze River
Coordinates	30°49′N 111°00′E
Status	Operational
Construction began	1994
Opening	2003
Owner	People's Republic of China
Plant capacity	22,500 MW

Three Gorges Project The Three Gorges Project is a large-scale infrastructure undertaking on the Yangtze River near Yichang in Hubei province. Conceived during the 20th century, it involved controversial planning, massive engineering by Chinese agencies and international firms, and broad impacts on population, environment, and regional development across China and neighboring provinces. The project is entwined with debates involving Deng Xiaoping-era modernization, energy policy, and river management linked to historic flood events such as the 1931 China floods.

Background and Planning

Planning for the project emerged from responses to catastrophic floods like the 1935 Yangtze floods and wartime concerns during the Second Sino-Japanese War, with early proposals discussed by engineers associated with Kuomintang-era ministries and later revived under policies set by leaders including Mao Zedong and Deng Xiaoping. Feasibility studies referenced international precedents such as the Hoover Dam, Aswan High Dam, and Itaipu Dam, and involved institutions like the Ministry of Water Resources of the People's Republic of China and the Three Gorges Project Construction Committee. Debates in the National People's Congress and among scholars from universities such as Tsinghua University, Peking University, and Nanjing University weighed flood control, navigation, and hydroelectric benefits against resettlement and heritage impacts on sites like Fengdu Ghost City and Shennong Stream.

Design and Construction

Design work incorporated engineering practices influenced by firms and experts connected to projects like Three Gorges Reservoir planning, with input from organizations such as the China Yangtze Three Gorges Project Development Corporation, provincial authorities from Hubei, Chongqing, and construction companies modeled after state-owned enterprises exemplified by China Three Gorges Corporation. Construction phases included cofferdam erection, concrete placement, and installation of turbines using techniques comparable to Gurit-style composite methods and lessons from Sichuan hydro projects. Key milestones included the closure of the river channel, staged filling of the reservoir, and commissioning of units overseen by engineers trained at institutions like Harbin Institute of Technology and Tongji University.

Hydroelectric Power and Operations

The installed capacity and generation strategy were benchmarked against major plants such as Itaipu Dam and Guri Dam, with sequential commissioning of Francis turbines manufactured by Chinese and international suppliers linked to firms like Harbin Electric and partners influenced by trade relationships with Siemens-era collaborations. Operational control integrates grid dispatch coordination with regional operators including State Grid Corporation of China and aligns with national targets reflected in Five-Year Plans drafted by the Communist Party of China. The plant contributes to load balancing for industrial centers in Wuhan, Shanghai, and Chongqing while interfacing with transmission projects like the West-East Electricity Transfer.

Navigation, Flood Control, and Water Management

The navigation improvements created stair-stepped shipping through ship locks and a ship lift influenced by designs tested on rivers like the Rhine and works such as the Panama Canal. Flood control strategies referenced historical responses to the 1887 Yellow River flood and modern hydrologic modeling used by agencies such as the Chinese Academy of Sciences and China Meteorological Administration. Reservoir operation interacts with irrigation plans in provinces including Hunan and Sichuan, and with inter-basin transfer concepts seen in the South–North Water Transfer Project. Emergency management protocols draw on practices from international events including Hurricane Katrina recovery and the 1998 Yangtze floods mitigation experience.

Environmental and Social Impacts

Environmental assessments considered biodiversity concerns for species comparable to the Chinese sturgeon, Yangtze finless porpoise, and endemic freshwater fauna cataloged by institutions such as the World Wildlife Fund and the IUCN. Reservoir impoundment inundated archaeological and cultural sites comparable to those documented at Daxi Culture and heritage records maintained by China's State Administration of Cultural Heritage. Social impacts included large-scale population relocation with resettlement schemes administered by provincial bureaus and influenced by policies debated in forums including All-China Women's Federation meetings and local People's Congresses. Critics referenced precedents like displacement during the construction of the Itaipu Dam and social studies from scholars at Columbia University and Oxford University.

Economic and Geographic Effects

Economic assessments linked the project to regional development strategies in the Yangtze River Economic Belt and trade corridors connecting Chongqing inland ports to coastal cities such as Shanghai and Nanjing. Hydropower revenue, navigation cost savings, and tourism stimulated growth in municipalities like Yichang and counties within Hubei Province, affecting industries represented by chambers such as the China Council for the Promotion of International Trade. Geographically, the reservoir altered sediment transport dynamics echoing concerns raised for projects like Aswan High Dam and required monitoring by research centers including the Chinese Academy of Engineering.

Controversies and Legacy

Controversies encompassed debates over seismic risk assessments referencing events such as the 2008 Sichuan earthquake, cultural heritage loss parallel to debates about Belo Monte Dam, and criticism from NGOs including Greenpeace and academics publishing in journals like Science and Nature. Legal and political debates unfolded in bodies such as the National Development and Reform Commission and were shaped by media coverage in outlets like Xinhua News Agency and international reporting by The New York Times and The Guardian. The legacy continues to influence Chinese infrastructure policy, hydropolitics in East Asia, and comparative studies in engineering history at institutions such as the Smithsonian Institution and the Royal Academy of Engineering.

Category:Dams in China Category:Hydroelectric power stations in China